1 files changed, 136 insertions, 0 deletions
diff --git a/test/kernel_tests/libsystem_tests/memory.test.cc b/test/kernel_tests/libsystem_tests/memory.test.cc
new file mode 100644
index 00000000..28d758cc
--- /dev/null
+++ b/test/kernel_tests/libsystem_tests/memory.test.cc
@@ -0,0 +1,136 @@
+/// \file memory.test.cc
+/// \brief Memory Manager API tests.
+/// \author Amlal El Mahrouss (amlal at nekernel dot org)
+
+#include <libSystem/SystemKit/System.h>
+#include <public/frameworks/KernelTest.fwrk/headers/TestCase.h>
+
+/// \note Memory allocation tests
+
+KT_DECL_TEST(MmCreateHeapSuccess, []() -> bool {
+  auto heap = MmCreateHeap(1024, 0);
+  if (!heap) return NO;
+  MmDestroyHeap(heap);
+  return YES;
+});
+
+KT_DECL_TEST(MmCreateHeapZeroSize, []() -> bool {
+  auto heap = MmCreateHeap(0, 0);
+  return heap == nullptr;
+});
+
+KT_DECL_TEST(MmDestroyHeapValid, []() -> bool {
+  auto heap = MmCreateHeap(1024, 0);
+  if (!heap) return NO;
+  return MmDestroyHeap(heap) == 0;
+});
+
+KT_DECL_TEST(MmDestroyHeapNull, []() -> bool { return MmDestroyHeap(nullptr) != 0; });
+
+/// \note Memory operations tests
+
+KT_DECL_TEST(MmCopyMemoryNonOverlapping, []() -> bool {
+  char src[16] = "Hello, World!";
+  char dst[16] = {0};
+
+  auto result = MmCopyMemory(dst, src, 13);
+  if (!result) return NO;
+
+  return MmStrCmp(src, dst) == 0;
+});
+
+KT_DECL_TEST(MmCopyMemoryNull,
+             []() -> bool { return MmCopyMemory(nullptr, nullptr, 10) == nullptr; });
+
+KT_DECL_TEST(MmFillMemoryPattern, []() -> bool {
+  char buffer[16] = {0};
+  MmFillMemory(buffer, 16, 0xAA);
+
+  for (int i = 0; i < 16; i++) {
+    if ((unsigned char) buffer[i] != 0xAA) return NO;
+  }
+  return YES;
+});
+
+KT_DECL_TEST(MmFillMemoryNull, []() -> bool { return MmFillMemory(nullptr, 10, 0xFF) == nullptr; });
+
+KT_DECL_TEST(MmCmpMemoryEqual, []() -> bool {
+  char buf1[8] = {1, 2, 3, 4, 5, 6, 7, 8};
+  char buf2[8] = {1, 2, 3, 4, 5, 6, 7, 8};
+
+  return MmCmpMemory(buf1, buf2, 8) == 0;
+});
+
+KT_DECL_TEST(MmCmpMemoryNotEqual, []() -> bool {
+  char buf1[8] = {1, 2, 3, 4, 5, 6, 7, 8};
+  char buf2[8] = {1, 2, 3, 9, 5, 6, 7, 8};
+
+  return MmCmpMemory(buf1, buf2, 8) != 0;
+});
+
+/// \note String operations tests
+
+KT_DECL_TEST(MmStrLenNonEmpty, []() -> bool {
+  const char* str = "Hello";
+  return MmStrLen(str) == 5;
+});
+
+KT_DECL_TEST(MmStrLenEmpty, []() -> bool {
+  const char* str = "";
+  return MmStrLen(str) == 0;
+});
+
+KT_DECL_TEST(MmStrLenNull, []() -> bool { return MmStrLen(nullptr) < 0; });
+
+KT_DECL_TEST(MmStrCmpEqual, []() -> bool { return MmStrCmp("test", "test") == 0; });
+
+KT_DECL_TEST(MmStrCmpNotEqual, []() -> bool { return MmStrCmp("test", "fest") != 0; });
+
+/// \note Heap flags tests
+
+KT_DECL_TEST(MmSetGetHeapFlags, []() -> bool {
+  auto heap = MmCreateHeap(1024, 0x01);
+  if (!heap) return NO;
+
+  MmSetHeapFlags(heap, 0x02);
+  UInt32 flags = MmGetHeapFlags(heap);
+
+  MmDestroyHeap(heap);
+  return flags == 0x02;
+});
+
+KT_DECL_TEST(MmFillCRC32HeapValid, []() -> bool {
+  auto heap = MmCreateHeap(1024, 0);
+  if (!heap) return NO;
+
+  UInt32 crc = MmFillCRC32Heap(heap);
+
+  MmDestroyHeap(heap);
+  return crc != 0;
+});
+
+/// \brief Run memory tests.
+IMPORT_C SInt32 KT_TEST_MAIN() {
+  KT_RUN_TEST(MmCreateHeapSuccess);
+  KT_RUN_TEST(MmCreateHeapZeroSize);
+  KT_RUN_TEST(MmDestroyHeapValid);
+  KT_RUN_TEST(MmDestroyHeapNull);
+
+  KT_RUN_TEST(MmCopyMemoryNonOverlapping);
+  KT_RUN_TEST(MmCopyMemoryNull);
+  KT_RUN_TEST(MmFillMemoryPattern);
+  KT_RUN_TEST(MmFillMemoryNull);
+  KT_RUN_TEST(MmCmpMemoryEqual);
+  KT_RUN_TEST(MmCmpMemoryNotEqual);
+
+  KT_RUN_TEST(MmStrLenNonEmpty);
+  KT_RUN_TEST(MmStrLenEmpty);
+  KT_RUN_TEST(MmStrLenNull);
+  KT_RUN_TEST(MmStrCmpEqual);
+  KT_RUN_TEST(MmStrCmpNotEqual);
+
+  KT_RUN_TEST(MmSetGetHeapFlags);
+  KT_RUN_TEST(MmFillCRC32HeapValid);
+
+  return KT_TEST_SUCCESS;
+}